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r193159 - in /trunk/gcc: ChangeLog tree-ssa-loo...


Author: hubicka
Date: Mon Nov  5 11:14:16 2012
New Revision: 193159

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193159
Log:


	* tree-ssa-loop-niter.c (find_loop_niter): Remove just_once_each_iteration_p.
	(maybe_lower_iteration_bound): Initialize not_executed_last_iteration to  NULL
	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Skip
	just_once_each_iteration_p; record estimated bound when loop has only one
	likely exit; test just_once_each_iteration_p before IV canon itself.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-loop-ivcanon.c
    trunk/gcc/tree-ssa-loop-niter.c


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